The PUR PLUS Water Pitcher & Dispenser Replacement Filter (PPF951K), a Water Pitcher Replacement Filter for water filtration for at home use, reduces 3x more chemical & physical substances compared to Brita's leading pitcher filter* through its powerful 3-in-1 genuine PUR filtration technology. This 3 pack of filtered water pitcher replacements are WQA certified to reduce lead. It has also been rigorously tested and certified by NSF to reduce microplastics,chlorine, mercury, copper, zinc and other chemical & physical substances*** that can cause bad taste and odor in your clean drinking water.Did you also know that these water filter pitcher replacement filters can help save you up to $75 per month compared to bottled water?** To continuously enjoy cleaner, better tasting drinking water, remember to replace pitcher filter cartridges every 2 months or after 40 gallons of use.Be cautious of 'off-brand' water filters — they are not tested nor certified to filter the same as Genuine PUR PLUS Water Pitcher & Dispenser Replacement Filters in PUR and Beautiful by PUR systems. These water filters for pitchers are the only water filters certified to reduce chemical & physical substances when used with your PUR PLUS or Beautiful by PUR pitcher or dispenser system.At PUR, we believe that everyone deserves cleaner, better-tasting drinking water. That's why we've been developing innovative, superior water filtration technologies for over 35 years.Disclaimers:*Versus best-selling Brita® pitcher filter OB03. Brita® is a trademark of Brita LP.**Based on comparing a year's worth of bottled water (16.9 oz) to 6 PUR pitcher filters. Based on Nielsen US Scantrak sales.***Like other leading brands, PUR does not filter microbes. As of 2/1/24 Brita® and ZeroWater® were not certified to filter microbes. Brita® is a trademark of Brita LP. ZeroWater® is a trademark of Zero Technologies, LLC.